1 files changed, 47 insertions, 0 deletions
diff --git a/os_net_config/tests/test_utils.py b/os_net_config/tests/test_utils.py
new file mode 100644
index 0000000..e7326d3
--- /dev/null
+++ b/os_net_config/tests/test_utils.py
@@ -0,0 +1,47 @@
+# -*- coding: utf-8 -*-
+
+# Copyright 2014 Red Hat, Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+
+import os.path
+import shutil
+import tempfile
+
+from os_net_config.tests import base
+from os_net_config import utils
+
+
+class TestUtils(base.TestCase):
+
+    def test_ordered_active_nics(self):
+
+        tmpdir = tempfile.mkdtemp()
+        self.stubs.Set(utils, '_SYS_CLASS_NET', tmpdir)
+
+        def test_is_active_nic(interface_name):
+            return True
+        self.stubs.Set(utils, '_is_active_nic', test_is_active_nic)
+
+        for nic in ['a1', 'em1', 'em2', 'eth2', 'z1']:
+            with open(os.path.join(tmpdir, nic), 'w') as f:
+                f.write(nic)
+
+        nics = utils.ordered_active_nics()
+        self.assertEqual('em1', nics[0])
+        self.assertEqual('em2', nics[1])
+        self.assertEqual('eth2', nics[2])
+        self.assertEqual('a1', nics[3])
+        self.assertEqual('z1', nics[4])
+
+        shutil.rmtree(tmpdir)